Cold Water Second Stages

Cressi XS Octopus

88 reviews

SKU: CSBOXS

~~$189.95~~ Save: $60 (32%)

^$129.95

+ wishlist

In Stock

DESCRIPTION

A reliable and high-performance Cressi XS Octopus with a lightweight design and dependable valve.

Pros

Great performance and breathability
Good value for the price
Easy to use and adjust
Budget-friendly
Reliable and durable

Atomic Aquatics Safe Second Inflator (SS1), Stainless Steel

34 reviews

SKU: ATMSS1SRD

^$449.95

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In Stock

DESCRIPTION

A lightweight, streamlined stainless steel inflator with high flow 2nd stage and easy single hand operation.

Pros

Convenient
No leaks
Streamlined setup
Easy breathing at depth
Versatility

Mares Prestige 15X and Prestige Octopus Package

32 reviews

SKU: MRSPKPRGY

~~$619.90~~ Save: $170.90 (28%)

^$449

+ wishlist

In Stock

DESCRIPTION

A lightweight Mares regulator package with diaphragm first-stage, 4 LP ports, and 2 HP ports.

Sherwood Brut Pro Regulator

13 reviews

SKU: SWDBRP

^$374.95

+ wishlist

In Stock

DESCRIPTION

A reliable Sherwood Brut Pro regulator with optimal inhalation and exhalation, nitrox compatible up to 40%.

Oceanic Alpha 8 SP5 Piston Regulator, Black

13 reviews

SKU: OCNA8SP5BK

^$334.95

+ wishlist

In Stock

DESCRIPTION

A durable black piston regulator with easy breathing, Nitrox compatibility, and exceeding safety standards.

Hollis DC7 500SE Regulator with Maxflex Hose

10 reviews

SKU: HLSDC75D

~~$749.95~~ Save: $350.00 (47%)

^$399.95

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In Stock

DESCRIPTION

A high-performance regulator with over-balanced diaphragm, servo-controlled 2nd stage, and environmentally sealed first stage.

Scubapro MK25 EVO/S620Ti Dive Regulator System

9 reviews

SKU: SCPM25ES620

^$1249

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with a balanced piston first stage and adjustable inhalation control.

Atomic Aquatics B2 Regulator Yoke

8 reviews

SKU: ATMB2S

^$969.95

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In Stock

DESCRIPTION

A lightweight, all-titanium regulator with adjustable 2nd stage and patented comfort swivel for easy breathing.

Dive Rite XT2 Second Stage Only (No Hose)

7 reviews

SKU: DIVRG5200R

^$199

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced second stage with a carbon fiber cover and ABS plastic case.

Atomic Aquatics B2 Sealed Regulator Yoke

7 reviews

SKU: ATMB2SS

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, ergonomic regulator with a titanium second stage and patented comfort swivel.

Cressi XS Compact Pro MC9 SC Regulator

7 reviews

SKU: CSBRCPS

^$499.95

+ wishlist

In Stock

DESCRIPTION

A lightweight, environmentally sealed regulator with enhanced performance and reduced effort for easy travel.

Dive Rite XT Advanced Open Water Regulator

5 reviews

SKU: DIVPK53Y

^$975

+ wishlist

In Stock

DESCRIPTION

A streamlined, environmentally sealed regulator with adjustable 2nd stage and cold-water ready components.

Scubapro S600 Regulator, Second Stage Only

5 reviews

SKU: SCPS600N

^$620

+ wishlist

In Stock

DESCRIPTION

A durable Scubapro S600 second stage regulator with adjustable inhalation effort and comfortable mouthpiece.

Cressi Octopus Compact Pro

4 reviews

SKU: CSBOCPN

^$179.95

+ wishlist

In Stock

DESCRIPTION

A low profile octopus with a comfortable silicone mouthpiece and smooth operation.

Scubapro MK25 EVO/G260 Regulator

4 reviews

SKU: SCPM25EG26

^$1049

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set with adjustable 2nd stage, 5 LP ports, and enhanced freezing resistance.

OMS Evoque 2nd Stage Only (No Hose)

4 reviews

SKU: OMSRESS

^$250

+ wishlist

In Stock

DESCRIPTION

A lightweight, adjustable 2nd stage regulator with a pneumatically balanced valve and ergonomic venturi lever.

Sherwood Oasis Pro Regulator & Sherwood Octopus

3 reviews

SKU: SWDROOPK

~~$654.90~~ Save: $265.90 (41%)

^$389

+ wishlist

In Stock

DESCRIPTION

A reliable and environmentally sealed regulator set with balanced flow and high visibility soft purge cover.

Atomic Aquatics M1 Octopus, Yellow

3 reviews

SKU: ATMM1OYL

^$479.95

+ wishlist

In Stock

DESCRIPTION

A corrosion-proof yellow octopus with adjustable 2nd stage, suitable for cold water diving and oxygen enriched mixtures.

Scubapro MK25 EVO/A700 Carbon BT Yoke Dive Regulator System

3 reviews

SKU: SCPM25EA7CB

^$1799

+ wishlist

In Stock

DESCRIPTION

A durable and sleek black regulator with adjustable 2nd stage and enhanced cold-water diving capabilities.

Atomic Aquatics T3 Titanium Swivel Sealed Regulator, DIN

3 reviews

SKU: ATMT3RD

^$2369.95

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In Stock

DESCRIPTION

A lightweight, durable titanium regulator with adjustable 2nd stage and environmentally sealed DIN fitting.

Oceanic Delta 5 Second Stage Only

3 reviews

SKU: OCND5SBK

^$229.95

+ wishlist

In Stock

DESCRIPTION

A pneumatically balanced 2nd stage with all-metal valve body and heat exchange for cold water use.

Atomic Aquatics B2 Sealed Regulator, DIN

3 reviews

SKU: ATMB2SDBK

^$1019.95

+ wishlist

In Stock

DESCRIPTION

A DIN-type, environmentally sealed first stage regulator with swivel design and automatic flow control.

Scubapro MK19 EVO/G260 Regulator

2 reviews

SKU: SCPM19EG260

^$1049

+ wishlist

In Stock

DESCRIPTION

A high-performance regulator set for deep, cold, and silty diving with adjustable inhalation and VIVA features.

Scubapro S620 Ti Regulator, Second Stage Only

2 reviews

SKU: SCPS620T

^$770

+ wishlist

In Stock

DESCRIPTION

A compact and lightweight titanium second stage regulator with effortless airflow and adjustable inhalation effort.

Mares Pure SLS BCD, Mares Prestige 15X Regulator, Mares Prestige Octopus & Mares Mission 3 Gauge Console Bundle

2 reviews

SKU: PKGPROGR

~~$1287.99~~ Save: $488.04 (38%)

^$799.95

+ wishlist

In Stock

DESCRIPTION

A complete life support bundle featuring the Mares Pure SLS BCD, Prestige 15X Regulator, Prestige Octopus, and Mission 3 Gauge Console.

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Cold Water Second Stages

Diving into cold water is a pursuit that calls for both preparation and the right equipment, especially when it comes to your regulator’s second stage. Cold water second stages are engineered to meet the unique demands of frigid environments, where icy temperatures can challenge the performance of standard gear. Whether you’re exploring the kelp forests of the Pacific Northwest, investigating freshwater quarries in early spring, or planning a trip to the crisp waters of northern Europe, having a regulator that’s designed for cold water is essential. These second stages are built with features that help prevent free-flow and freezing, such as heat exchangers, environmentally sealed components, and robust purge mechanisms. The difference becomes clear on a chilly morning when you submerge and notice the regulator’s smooth, reliable airflow, even as your bubbles rise through water that hovers just above freezing. For those who dive year-round or venture into alpine lakes, ice diving expeditions, or deep wrecks where thermoclines drop the temperature unexpectedly, a cold water second stage isn’t just a luxury—it’s a necessity for safety and comfort.

Selecting a cold water second stage involves considering several factors beyond just temperature rating. Divers often look for models that offer easy breathing at depth, even when wearing thick gloves, with oversized controls and ergonomic mouthpieces for comfort during long dives. Many cold water enthusiasts appreciate the peace of mind that comes with features like venturi switches and adjustable inhalation effort, which help tailor performance to the environment and personal preference. If you’re shopping for a gift, a cold water second stage makes a thoughtful choice for the diver in your life who’s always chasing the next adventure, whether it’s under the ice or in brisk mountain lakes. These regulators are also popular among instructors and dive professionals who need dependable gear for teaching in a range of conditions. Imagine gifting a piece of equipment that opens up a whole new world of diving possibilities, from winter shore dives to bucket-list ice dives under a frozen surface. It’s not just about keeping warm; it’s about ensuring every breath is secure and effortless, no matter how cold the water gets.

As June brings warmer weather to many places, cold water diving remains a thriving pursuit for those who seek out the unique beauty and tranquility of less-traveled underwater landscapes. The right second stage regulator allows you to focus on the experience—watching playful seals dart through kelp, marveling at the clarity of spring-fed lakes, or capturing the surreal stillness beneath a frozen sheet of ice. Pairing your cold water second stage with other specialized gear, such as thick wetsuits, drysuits, and a reliable BCD, completes your setup for safe and enjoyable dives. If you’re assembling a full kit for cold water adventures, don’t overlook complementary equipment like Cold Water Diving Bcds, which are designed to perform in the same challenging conditions and offer features tailored to the needs of cold water divers. With the right gear, every dive becomes an opportunity to explore new depths, confident that your equipment is ready for whatever the season brings.

Top Picks For Cold Water Second Stages